16 Facts About CN Tower

CN Tower held the record for the world's tallest free-standing structure for 32 years, from 1975 until 2007, when it was surpassed by the Burj Khalifa, and was the world's tallest tower until 2009 when it was surpassed by the Canton Tower.

In 1995, the CN Tower was declared one of the modern Seven Wonders of the World by the American Society of Civil Engineers.

Original concept of the CN Tower was first conceived in 1968 when the Canadian National Railway wanted to build a large television and radio communication platform to serve the Toronto area, and to demonstrate the strength of Canadian industry and CN in particular.

CN Tower would have been part of Metro Centre, a large development south of Front Street on the Railway Lands, a large railway switching yard that was being made redundant after the opening of the MacMillan Yard north of the city in 1965 .

CN Tower was built by Canada Cement Company, a subsidiary of Sweden's Skanska, a global project-development and construction group.

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CN Tower and surrounding areas were prominent in the 2015 Pan American Games production.

CN Tower was originally lit at night with incandescent lights, which were removed in 1997 because they were inefficient and expensive to repair.

The CN Tower was lit in the colours of the Ukrainian flag during the beginning of the 2022 Russian invasion of Ukraine in late February 2022.

CN Tower is the tallest freestanding structure in the Western Hemisphere.

The CN Tower was the tallest tower by this definition until 2010 .

Taller than the CN Tower are numerous radio masts and towers, which are held in place by guy-wires, the tallest being the KVLY-TV mast in Blanchard, North Dakota, in the United States at 628 metres tall, leading to a distinction between these and "free-standing" structures.

The CN Tower held the record of tallest freestanding structure on land for over 30 years.

CN Tower still held world records for highest above ground wine cellar at 351 metres, highest above ground restaurant at 346 metres, and tallest free-standing concrete tower during Guinness's recertification.

The CN Tower was surpassed in 2009 by the Canton Tower in Guangzhou, China, which stands at 604 metres tall, as the world's tallest tower; which in turn was surpassed by the Tokyo Skytree in 2011, which currently is the tallest tower at 634.

CN Tower has been and continues to be used as a communications tower for a number of different media and by numerous companies.

CN Tower has been featured in numerous films, television shows, music recording covers, and video games.